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How to add extension methods to Enums
...ve days")]
Week,
[Description("Twenty-one days")]
Month
}
Now you want to be able to do something like:
Duration duration = Duration.Week;
var description = duration.GetDescription(); // will return "Five days"
Your extension method GetDescription() can be written as follows:
us...
Rails: create on has_one association
...ser = current_user
@shop = Shop.create(params[:shop])
@user.shop = @shop
Now here's why your version did not work:
You probably thought that this might work because if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has...
How to print to console using swift playground?
...ln in Swift 2 beta) shows up there.
In earlier Xcode 6 versions (which by now you probably should be upgrading from anyway), show the Assistant editor (e.g. by clicking the little circle next to a bit in the output area). Console output appears there.
...
Running MSBuild fails to read SDKToolsPath
...ols. I've recently upgraded all the project/solution files to VS2010, and now my build fails with the following error:
25 ...
Get to UIViewController from UIView?
... there a built-in way to get from a UIView to its UIViewController ? I know you can get from UIViewController to its UIView via [self view] but I was wondering if there is a reverse reference?
...
How do you make Vim unhighlight what you searched for? [duplicate]
I search for "nurple" in a file. I found it, great. But now, every occurrence of "nurple" is rendered in sick black on yellow. Forever.
...
Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
...
How to include external Python code to use in other files?
...t explicitly name them, like:
from Math import Calculate, Add, Subtract
Now, you can reference Calculate, Add, and Subtract just by their names. If you wanted to import ALL functions from Math, do:
from Math import *
However, you should be very careful when doing this with modules whose conten...
MySQL Select minimum/maximum among two (or more) given values
... watch out if NULL is likely to be in a field value ...
SELECT LEAST(NULL,NOW());
and
SELECT GREATEST(NULL,NOW());
both return null, which may not be what you want (especially in the case of GREATEST)
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Resetting a multi-stage form with jQuery
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That :input is handy... now I know I'll use. Thanks Paolo :) +1
– alex
Mar 25 '09 at 4:51
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